I learn a new programming language every 18 months and use it on side projects. A couple examples: 2003 Smaltalk - made me a better Java programmer and taught

I learn a new programming language every 18 months and use it on side projects. A couple examples: 2003 Smaltalk - made me a better Java programmer and taught me a lot of history 2005 Ruby - Rails experience helped me level up to a FAANG job in 2008